<nav class="navbar navbar-static-top" role="navigation" style="margin-bottom: 0">
    <div class="navbar-header">
        <a class="navbar-minimalize minimalize-styl-2 btn btn-primary " href="#"><i class="fa fa-bars"></i> </a>

        <form role="search" class="navbar-form-custom" method="post" action="search_results.html">
            <div class="form-group">
                <input type="text" placeholder="请输入您需要查找的内容 …" class="form-control" name="top-search" id="top-search">
            </div>
        </form>
    </div>
    <ul class="nav navbar-top-links navbar-right">
        <li>
            <span class="m-r-sm text-muted welcome-message"><a href="/admin/home" title="返回首页"><i class="fa fa-home"></i></a>欢迎进入后台管理系统</span>
        </li>
        <li>
            <a href="/admin/loginout">
                <i class="fa fa-sign-out"></i> 退出
            </a>
        </li>
    </ul>

</nav>